. Author manuscript; available in PMC: 2020 Oct 1.

Published in final edited form as: Contemp Clin Trials. 2019 Aug 26;85:105832. doi: 10.1016/j.cct.2019.105832

Table 4:

Selected details of the MRI protocol

Sequence	Parameters
T1-weighted MPRAGE structural	Sagittal, 0.8 mm isotropic resolution, TE/TI/TR = 2.31/1060/2400 ms, Field of View (FOV) 256 mm, 224 slices
High resolution Hippocampus	Resolution: 0.4×0.4×2 mm, TE/TR = 78/8830 ms, aligned perpendicular to hippocampus
Resting state EPI	Resolution: 2.5×2.5×2.5 mm, TE/TR = 40/1000 ms, Multiband factor = 8 (CMRR EPI sequence^60–63), 64 slices, 480 measurements
fMRI RISE task	Resolution: 2.5×2.5×2.5 mm, TE/TR = 40/1000 ms, Multiband factor = 8, 64 slices, 413 measurements
fMRI n-back task	Resolution: 2.5×2.5×2.5 mm, TE/TR = 40/2000 ms, Multiband factor = 4, 64 slices, 183 measurements
fMRI RISE Recognition task	Resolution: 2.5×2.5×2.5 mm, TE/TR = 40/1000 ms, Multiband factor = 8, 64 slices, 923 measurements
Diffusion weighted acquisition	Resolution: 2.5×2.5×2.5 mm, TE/TR = 95.6/2800 ms, Multiband factor = 4, b-values of 1500, 3000 s/mm², 64 gradient directions
3D T2 TSE FLAIR	Sagittal, 1 mm isotropic resolution, Turbo spin echo, TE/TI/TR = 388, 2200, 6000 ms, non-selective inversion recovery
pCASL TGSE	3D GRASE pCASL sequence^64,65, Resolution: 3.1×3.1×2.5 mm, TE/TR = 22.08/4300 ms, 48 slices, Post-label delay 2s, Background Suppression, 10 measurements for labeling and control, 4 segment readout